n. quill
压铸金属纡管 pressurediecastpirn
视网膜血管纡曲 tortuosity of retinal vessels
·2,447,543篇论文数据，部分数据来源于NoteExpress
结果18例成功放置双j管行内引流，1例因输尿管上段高度纡曲狭窄置管失败，6例行单纯球囊扩张。
Results Balloon catheter dilatation was performed in 6 cases. DoubleJ ureteral stent was successfully placed in 18 cases, and failure to success in 1 case due to tortuous ureter.
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